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Simptom

• Putaran enjin meningkat tanpa pecutan yang sepadan
• Bunyi dengung atau desisan dari transmisi pada semua kelajuan
• Kehilangan kuasa pemacu secara berselang, terutamanya semasa beban
• Lampu amaran CVT menyala pada papan pemuka

Punca

Belt keluli CVT dan takal haus mengikut peredaran masa, terutamanya jika cecair CVT tidak diganti pada selang masa yang disyorkan. Keadaan pemanduan dengan haba tinggi (trafik sesak, pemanduan di kawasan pergunungan) mempercepatkan kehausan.

Penyelesaian

Peringkat awal: Penggantian cecair CVT mungkin memulihkan sebahagian fungsi. Kehausan lanjut: Penggantian belt CVT atau penggantian penuh unit CVT diperlukan. Rujuk pakar Proton untuk pemeriksaan CVT sebelum masalah menjadi kritikal.

Anggaran kos:~RM 2,500·Mahal·asas harga tidak dinyatakan · tanpa tarikh

Simptom

• Air from vents barely cools, especially in noon traffic
• Compressor clutch not engaging or engages only intermittently
• Cooling collapses when the engine idles
• Blower works fine but cabin never gets cold

Punca

The most commonly reported Iriz aircond faults split into three groups: low refrigerant from O-ring or hose leaks, a worn compressor with the magnetic clutch slipping or failing (a fault repeatedly covered by Malaysian repair channels for this model), and a dirty or damaged condenser that cannot reject heat in Malaysian traffic. Age matters; units older than 6 years accumulate several of these at once.

Penyelesaian

Start with the cheap diagnosis. Have a workshop machine a pressure test and UV leak check, then clean the condenser fins. Regas with measured charge if the system holds pressure. If the compressor clutch slips or will not engage, replace the compressor; new OEM units and reconditioned units are both widely available. Replace the receiver-drier whenever you open the system so the new refrigerant stays dry.

Anggaran kos:~RM 350·Sederhana·asas harga tidak dinyatakan · tanpa tarikh

Simptom

• Teragak-agak atau tersentak apabila memecut dari keadaan berhenti
• Sensasi bergegar pada kelajuan rendah (10-30 km/j)
• Kesan 'rubber band' CVT terasa berlebihan dalam trafik

Punca

Punch CVT yang digunakan dalam Iriz ditala untuk kecekapan bahan api, yang menyebabkan tingkah laku 'rubber-band' yang ketara. Gegaran kelajuan rendah boleh diburukkan lagi oleh cecair CVT yang terdegradasi atau tali pinggang CVT yang haus. Dalam kebanyakan kes, ia adalah ciri transmisi dan bukan kerosakan.

Penyelesaian

Untuk sentakan ringan: pastikan cecair CVT baharu (ganti setiap 60,000km). Untuk gegaran berterusan: saliran dan isian semula cecair CVT dengan Idemitsu CVTF NS-2 selalunya memperbaiki tingkah laku. Jika masalah berterusan melebihi 100,000km, periksa tali pinggang CVT untuk kehausan.

Anggaran kos:~RM 200·Kos rendah·asas harga tidak dinyatakan · tanpa tarikh

Simptom

• Fan speed 1, 2 and 3 do nothing, only speed 4 moves air
• Blower cuts out after a few minutes on low speed then comes back
• Air is cold on speed 4 but the cabin stays stuffy because the fan is loud and harsh
• Sometimes the fan works, then dies when the car goes over a bump

Punca

The blower resistor pack, a small module on the blower housing, controls the lower fan speeds. When its coils or thermal fuse fail, the motor only gets full power, so speed 4 becomes the only working setting. It is a wear item on the Iriz the same way it is on the Saga BLM and Persona, and the parts are shared across those cars.

Penyelesaian

Ask the workshop to test the resistor pack before touching the blower motor. A failed pack is a small part and a short job behind the glovebox area. If the motor is also noisy or stiff, replace it at the same time, because a dragging motor is what cooks the new resistor. Do not accept a quote for a whole aircond system off this symptom.

Anggaran kos:~RM 130·Kos rendah·asas harga tidak dinyatakan · tanpa tarikh

Simptom

• Vibration through the cabin and steering wheel at idle
• Knocking or clunk when moving from Park into Drive
• Shunt or jerk on CVT take-up from a standstill
• Engine visibly rocks in neutral when revving

Punca

The Iriz's rubber engine mounts compress and crack with age and heat cycles, and engine mount deterioration is one of the commonly listed complaints for this model in Malaysian ownership write-ups. City stop-go driving and low-speed CVT torque reversals load the mounts hard. The upper and left-side mounts typically show deterioration first.

Penyelesaian

Replace the worn mount or mounts. Ask the workshop to inspect every mount while the car is up, not just the one that failed, because they age together and a dead mount loads the rest harder. Expect around RM280; confirm whether that covers one mount or the set. If you supply the part yourself, say so, and have the same shop re-check the mount after a week of driving. Genuine or good aftermarket rubber restores the original NVH; stiff performance bushings trade that comfort for more cabin vibration.

Anggaran kos:~RM 280·Sederhana·asas harga tidak dinyatakan · tanpa tarikh

Simptom

• Single dull knock from a front corner as the wheel drops off a speed bump
• Knock on rough road at low speed, quiet on smooth highway
• Steering feels vague or clicks slightly when turning at parking speed
• Noise worse with a passenger in the car or a full boot

Punca

The front strut mount and its bearing sit at the top of each strut and take the road load into the body. The rubber in the mount perishes, and the bearing dries out, so the strut can move a millimetre or two and knock. The Iriz carries a lot of weight on the front axle for a small hatch, and Malaysian road surfaces speed the process up.

Penyelesaian

Have the workshop check both front strut mounts and bearings, not one. If the mount rubber is cracked or the bearing feels rough when the strut is out, replace the pair. Ask for the mount and bearing to be quoted separately from the strut, because the strut often does not need replacing. An alignment after the job is normal and should be in the quote.

Anggaran kos:~RM 420·Sederhana·bahagian dan upah · tanpa tarikh

Simptom

• Driver's side window moves slowly or stops halfway
• Switch clicks but the window does not move
• Window drops or tilts when closing (regulator misalignment)
• Grinding noise as the window travels

Punca

Early pre-facelift Iriz models (roughly 2014 to 2018) used a window regulator and motor assembly that wears ahead of schedule, particularly on the driver's door which cycles most often. Owners across Malaysian owner groups and forums report repeated failures on first-generation examples, to the point where Proton covered the power window system (regulator, motor, switches and run channel) under a specific warranty clause in its service booklets and later extended window-side coverage across its range.

Penyelesaian

Replace the window regulator assembly with motor. Parts are widely listed for the driver's side as a single unit. After replacement, lubricate the window run channel with silicone spray and reset the anti-pinch function if fitted. If the car is still inside its warranty period, claim at a Proton service centre first; window regulators were commonly replaced there without charge on this fault.

Anggaran kos:~RM 220·Sederhana·asas harga tidak dinyatakan · tanpa tarikh

Simptom

• Bunyi gemeretak dari kawasan dashboard di jalan yang kasar
• Bunyi berdecit dari trim tiang-A
• Rasa longgar pada konsol tengah atau getaran pada panel pintu

Punca

Model Iriz produksi awal (2014-2018) mempunyai isu pemasangan dan kemasan di mana klip trim dalaman dan panel dashboard tidak dipasang dengan ketat. Trim tiang-A amat mudah bergetar pada kelajuan lebuh raya.

Penyelesaian

Sapukan pita felt berpelekat pada titik sentuhan di belakang panel trim. Gantikan klip plastik yang rosak (boleh didapati daripada pengedar Proton dengan harga di bawah RM5). Untuk bunyi gemeretak pada tiang-A, tanggalkan trim dan tambahkan padding buih di antara klip dan tiang logam.

Anggaran kos:~RM 15·Percuma·asas harga tidak dinyatakan · tanpa tarikh

Simptom

• Damp, sour or gym-bag smell in the first minute after switching the aircond on
• Smell fades once the fan has run for a while
• Worse after the car has sat in the rain or overnight
• Window misting more than usual on humid evenings

Punca

Damp dust and pollen sit on the cabin filter and the evaporator core, and the cool, dark airbox is a good place for mould. Malaysian humidity does the rest. A filter that has been in the car for two years or more is the usual starting point, and the Iriz filter is behind the glovebox where owners never see it.

Penyelesaian

Replace the cabin filter first, then have the evaporator cleaned and the drain checked if the smell returns within a month. Proton sells a standard filter and an N95 version. Ask for the filter by part number rather than by model year, because sellers list two versions and one comes with a holder bracket. Run the fan on fresh air for a minute before switching the aircond off at the end of a trip, which dries the core.

Anggaran kos:~RM 90·Kos rendah·asas harga tidak dinyatakan · tanpa tarikh

Simptom

• Engine sits near 3,500 rpm at 110 km/h in fifth
• Noticeable engine drone on long highway drives
• Feels like a gear is missing above fifth
• Fuel use on the highway is not much better than in town

Punca

The five-speed manual was geared for town work, not for cruising. Fifth is short enough that highway speed keeps the engine high in its rev range, which is why the manual Iriz is fun on a back road and tiring on a drive to Penang. Nothing is broken. It is the ratio in the box.

Penyelesaian

No repair exists, and none is needed. Check the revs against speed on a test drive so you know what you are buying, and check the clutch does not slip under load in fourth at low speed, because a slipping clutch can feel like the same symptom at first. Treat the drone as a buying decision rather than a fault.

Anggaran kos:~RM 0·Percuma·asas harga tidak dinyatakan · tanpa tarikh

Simptom

• Soft knock or thud from behind the rear seat over patched tarmac
• Rear feels loose or steps sideways slightly when cornering hard
• Clunk when one rear wheel drops into a drain cut
• Tyres wearing unevenly on the inside edge at the back

Punca

The Iriz runs a torsion beam at the rear, mounted on two trailing arm bushes. Those bushes take every sideways load and they crack and soften with age, which lets the beam move in its mounts. The noise sounds like a loose spare wheel or a body rattle, which is why it gets chased in the wrong place first.

Penyelesaian

Ask for the rear trailing arm bushes to be checked with the car on a lift, and for the boot floor and spare wheel to be checked at the same time so you know which noise you are chasing. Worn bushes are replaced as a pair. An alignment afterwards is worth the money because a shifting beam changes rear toe.

Anggaran kos:~RM 340·Sederhana·asas harga tidak dinyatakan · tanpa tarikh